DE69510144D1 - Exhaust gas purification device for an internal combustion engine - Google Patents

Exhaust gas purification device for an internal combustion engine

Info

Publication number
DE69510144D1
DE69510144D1 DE69510144T DE69510144T DE69510144D1 DE 69510144 D1 DE69510144 D1 DE 69510144D1 DE 69510144 T DE69510144 T DE 69510144T DE 69510144 T DE69510144 T DE 69510144T DE 69510144 D1 DE69510144 D1 DE 69510144D1
Authority
DE
Germany
Prior art keywords
exhaust gas
combustion engine
internal combustion
gas purification
purification device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69510144T
Other languages
German (de)
Other versions
DE69510144T2 (en
Inventor
Yukio Kinugasa
Toshifumi Takaoka
Kouhei Igarashi
Takaaki Itou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of DE69510144D1 publication Critical patent/DE69510144D1/en
Application granted granted Critical
Publication of DE69510144T2 publication Critical patent/DE69510144T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495—Controlling the catalytic process
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/011—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • F01N3/0878—Bypassing absorbents or adsorbents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2270/00—Mixing air with exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2410/00—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
    • F01N2410/12—By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device in case of absorption, adsorption or desorption of exhaust gas constituents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/04—Adding substances to exhaust gases the substance being hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
DE69510144T 1994-09-16 1995-09-14 Exhaust gas purification device for an internal combustion engine Expired - Lifetime DE69510144T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP06221624A JP3119088B2 (en) 1994-09-16 1994-09-16 Exhaust gas purification device for internal combustion engine

Publications (2)

Publication Number Publication Date
DE69510144D1 true DE69510144D1 (en) 1999-07-15
DE69510144T2 DE69510144T2 (en) 2000-03-09

Family

ID=16769685

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69510144T Expired - Lifetime DE69510144T2 (en) 1994-09-16 1995-09-14 Exhaust gas purification device for an internal combustion engine

Country Status (4)

Country Link
US (1) US6409973B1 (en)
EP (1) EP0702134B1 (en)
JP (1) JP3119088B2 (en)
DE (1) DE69510144T2 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3454334B2 (en) * 1996-06-18 2003-10-06 トヨタ自動車株式会社 Exhaust gas purification method and device
JP4034375B2 (en) * 1997-04-03 2008-01-16 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
US6105365A (en) * 1997-04-08 2000-08-22 Engelhard Corporation Apparatus, method, and system for concentrating adsorbable pollutants and abatement thereof
DE19740702C1 (en) 1997-09-16 1998-11-19 Siemens Ag Exhaust purification system management for e.g. lean-running diesel engine
JP3546294B2 (en) 1998-04-28 2004-07-21 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
DE69923403T2 (en) * 1998-10-14 2005-07-07 Nissan Motor Co., Ltd., Yokohama exhaust gas cleaning device
JP3518398B2 (en) * 1999-03-11 2004-04-12 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
US6497848B1 (en) 1999-04-02 2002-12-24 Engelhard Corporation Catalytic trap with potassium component and method of using the same
EP1138890B1 (en) * 2000-03-27 2005-05-18 Toyota Jidosha Kabushiki Kaisha Exhaust purifying method and apparatus for an internal combustion engine
US6679052B2 (en) * 2001-07-31 2004-01-20 Toyota Jidosha Kaisha Emission control apparatus
JP3599012B2 (en) * 2001-10-01 2004-12-08 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
US7117669B2 (en) * 2004-05-05 2006-10-10 Eaton Corporation Temperature swing adsorption and selective catalytic reduction NOx removal system
WO2006022213A1 (en) * 2004-08-23 2006-03-02 Hino Motors, Ltd. Exhaust gas purification apparatus
EP1698766A1 (en) * 2005-03-04 2006-09-06 Ford Global Technologies, LLC, A subsidary of Ford Motor Company Exhaust emission aftertreatment device for reducing nitrogen oxides (NOx) emissions of an internal combustion engine and method for controlling said device
DE102006038904A1 (en) * 2006-08-18 2008-02-21 Emitec Gesellschaft Für Emissionstechnologie Mbh Method for adding at least one reactant to an exhaust gas stream and device for processing an exhaust gas stream of an internal combustion engine
US8388712B2 (en) * 2009-02-12 2013-03-05 Ford Global Technologies, Llc Particulate matter retaining and purging system
WO2011064902A1 (en) * 2009-11-27 2011-06-03 トヨタ自動車株式会社 Exhaust emission purifier of internal combustion engine
US9243537B1 (en) * 2014-09-17 2016-01-26 Caterpillar Inc. Exhaust aftertreatment system for an internal combustion engine and method for operating same
EP3696394B1 (en) * 2019-02-13 2023-08-16 FCA Italy S.p.A. System and method for controlling the emissions of a spark-ignition internal combustion engine of a motor-vehicle
CN115217596B (en) * 2021-07-21 2024-02-23 广州汽车集团股份有限公司 Engine and control method thereof

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870474B1 (en) * 1972-11-13 1991-04-02 Regenerative incinerator systems for waste gases
JPS49120016A (en) 1973-03-29 1974-11-16
US4315895A (en) 1975-08-18 1982-02-16 Pittsburgh Environmental And Energy Systems, Inc. Method and apparatus for purification of exhaust gases
DE3101053C2 (en) 1979-03-24 1984-11-29 Bergwerksverband Gmbh, 4300 Essen Process for removing sulfur oxides and nitrogen oxides from exhaust gases and apparatus for carrying out this process
JPS61164628A (en) 1985-01-12 1986-07-25 Mitsui Mining Co Ltd Removal of sulfur oxide and nitrogen oxide in waste gas
JPS62106826A (en) 1985-11-06 1987-05-18 Nippon Shokubai Kagaku Kogyo Co Ltd Method for removing nitrogen oxide in diesel exhaust gas
JPS62117620A (en) 1985-11-19 1987-05-29 Nippon Shokubai Kagaku Kogyo Co Ltd Method for removing nitrogen oxide contained in exhaust gas of gasoline engine
JP2853385B2 (en) 1991-08-07 1999-02-03 トヨタ自動車株式会社 Secondary air supply device for internal combustion engine
JP2783074B2 (en) 1991-10-29 1998-08-06 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
EP0573672B1 (en) * 1991-12-27 1997-03-12 Toyota Jidosha Kabushiki Kaisha Exhaust emission control device in internal combustion engine
US5433074A (en) 1992-07-30 1995-07-18 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an engine
US5406790A (en) 1992-12-11 1995-04-18 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an engine
JP2746029B2 (en) 1992-12-14 1998-04-28 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
JP2842122B2 (en) 1993-01-13 1998-12-24 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
JP2760251B2 (en) * 1993-03-12 1998-05-28 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine
DE4319294C1 (en) * 1993-06-10 1994-05-19 Daimler Benz Ag Denitrification of engine exhaust gas without adding reducing agent - by adsorption in adsorber in exhaust pipe, periodic desorption with hot gas and recirculation to combustion in suction air supply
US5417927A (en) * 1994-03-21 1995-05-23 Houston; Reagan Low NOx, low fuel regenerative incinerator system

Also Published As

Publication number Publication date
US6409973B1 (en) 2002-06-25
JP3119088B2 (en) 2000-12-18
EP0702134A2 (en) 1996-03-20
EP0702134B1 (en) 1999-06-09
EP0702134A3 (en) 1996-07-03
DE69510144T2 (en) 2000-03-09
JPH0886213A (en) 1996-04-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)